diff options
Diffstat (limited to 'src/vendorcode/amd/cimx/sb800/MEMLIB.c')
-rw-r--r-- | src/vendorcode/amd/cimx/sb800/MEMLIB.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/vendorcode/amd/cimx/sb800/MEMLIB.c b/src/vendorcode/amd/cimx/sb800/MEMLIB.c new file mode 100644 index 0000000000..f24d9e738a --- /dev/null +++ b/src/vendorcode/amd/cimx/sb800/MEMLIB.c @@ -0,0 +1,96 @@ +/* + ***************************************************************************** + * + * Copyright (c) 2011, Advanced Micro Devices, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Advanced Micro Devices, Inc. nor the names of + * its contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * *************************************************************************** + * + */ + +#include "SBPLATFORM.h" +#include "cbtypes.h" + +VOID +ReadMEM ( + IN UINT32 Address, + IN UINT8 OpFlag, + IN VOID* Value + ) +{ + OpFlag = OpFlag & 0x7f; + switch ( OpFlag ) { + case AccWidthUint8: + *((UINT8*)Value) = *((UINT8*) ((UINTN)Address)); + break; + case AccWidthUint16: + //*((UINT16*)Value) = *((UINT16*) ((UINTN)Address)); //gcc break strict-aliasing rules + *((UINT8*)Value) = *((UINT8*) ((UINTN)Address)); + *((UINT8*)Value + 1) = *((UINT8*)((UINTN)Address) + 1); + break; + case AccWidthUint32: + *((UINT32*)Value) = *((UINT32*) ((UINTN)Address)); + break; + } +} + +VOID +WriteMEM ( + IN UINT32 Address, + IN UINT8 OpFlag, + IN VOID* Value + ) +{ + OpFlag = OpFlag & 0x7f; + switch ( OpFlag ) { + case AccWidthUint8 : + *((UINT8*) ((UINTN)Address)) = *((UINT8*)Value); + break; + case AccWidthUint16: + //*((UINT16*) ((UINTN)Address)) = *((UINT16*)Value); //gcc break strict-aliasing rules + *((UINT8*)((UINTN)Address)) = *((UINT8*)Value); + *((UINT8*)((UINTN)Address) + 1) = *((UINT8*)Value + 1); + break; + case AccWidthUint32: + *((UINT32*) ((UINTN)Address)) = *((UINT32*)Value); + break; + } +} + +VOID +RWMEM ( + IN UINT32 Address, + IN UINT8 OpFlag, + IN UINT32 Mask, + IN UINT32 Data + ) +{ + UINT32 Result; + ReadMEM (Address, OpFlag, &Result); + Result = (Result & Mask) | Data; + WriteMEM (Address, OpFlag, &Result); +} + + |